In modern society, more and more people are attracted to online gambling, and some of them even look for so-called "blackjack coaches" through social media platforms to improve their gambling skills. Especially in the Reddit community in Indonesia, some so-called "Blackjack coaches online free betting" advertisements and posts appear frequently, which has attracted the attention of the majority of netizens. However, behind these seemingly enticing services and temptations often lie huge risks and challenges. This article will reveal the dangers of online gambling and its related services, calling on the public to be vigilant against online gambling coaches and related frauds. 1. The temptations and risks of online gambling With the popularity of the internet and the development of social media, more and more people are addicted to online gambling games, including online poker, slots, blackjack, etc. These games tend to be highly random and exciting, making it easy to give the illusion of getting rich quick. However, gambling is inherently a high-risk activity that can not only lead to financial losses but also trigger serious psychological and social problems. Therefore, the public should remain vigilant and stay away from gambling games. 2. The temptations and challenges of blackjack coaching Some people may start looking for a so-called "blackjack coach" or gambling mentor after losing money to improve their winning ability. However, there are often significant risks associated with this approach. Many of the so-called coaches are just scammers who may make a profit by teaching the wrong tactics or encouraging players to use illegal means. These coaches may trick players into wagering more money to get higher returns, ultimately causing huge financial losses. In addition, many online gambling sites and coaches themselves may be involved in illegal operations, fraud, etc., and are suspected of violating the law. Therefore, seeking the help of a blackjack coach not only fails to improve the ability to win, but also may face legal risks and financial losses. 3. Risk warning for the RedditIndonesia community Indonesia's Reddit community is an extensive social media platform where some unscrupulous individuals may post false information and advertisements about Blackjack coaches to scam people out of their money. While some posts may offer free bets to entice players to try their services or strategies, this is often the beginning of a scam. Some victims often suffer serious consequences such as financial losses and leakage of personal information after attempting to use these so-called coaching services. Therefore, the public should be vigilant and stay away from any gambling-related fraud when using social media. At the same time, the Reddit community should also strengthen its regulation to combat the occurrence of false information and fraud. IV. Conclusions and Recommendations Online gambling and seeking blackjack coaching services is a high-risk behavior that can lead to serious financial losses and psychological problems. The public should remain vigilant and stay away from any gambling-related fraud. At the same time, social media platforms should also strengthen supervision to combat the occurrence of false information and fraud, and protect the legitimate rights and interests of users and information security. In addition, the government and relevant institutions should also strengthen the crackdown on illegal gambling websites, and safeguard social and public order and the legitimate rights and interests of citizens. In short, we should abide by laws and regulations and stay away from illegal gambling practices to protect our own interests and property safety.